Book direct flights from Hong Kong to Sydney: One way flights from $319, round trip flights from $491. Find flight deals for the next 3 months below.

Find cheap airlines flights from Hong Kong to Sydney

You can choose from 4 airlines that fly from Hong Kong to Sydney, including Cathay Pacific, Qantas Airways, and Hong Kong Airlines. Hong Kong Airlines has lowest fares on this route.
Cathay Pacific logo Cathay Pacific
Qantas Airways logo Qantas Airways
Hong Kong Airlines logo Hong Kong Airlines
Scoot logo Scoot
Airlines are determined based on actual purchased flight tickets from Hong Kong to Sydney according to previous 12 months data from Trip.com.

Flight Info | Hong Kong to Sydney

The distance between Hong Kong and Sydney is approximately 7,378.4 km. It takes around 9 hours 6 minutes on average to fly from Hong Kong to Sydney. Based on Trip.com's data travel demand peaks in July. The off-season for travel is September.

Cheapest one-way flight price$236
Cheapest round-trip ticket price$478
Off-season for travelSeptember
Peak season for travelJuly
Flight distance7,378.4 km
Average flight time9 hours 6 minutes
Popular airlineCathay Pacific
Flight statistics for the Hong Kong–Sydney route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Hong Kong to Sydney

Which month has the cheapest one-way flights from Hong Kong to Sydney?

The average price of one-way flights from Hong Kong to Sydney purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Hong Kong to Sydney is December, with an average price of $349; while the month with the highest flight price is usually July, with an average price of up to $601.

$601
$475
$349
$223
    Cheapest
  • $601
    Jul
  • $428
    Aug
  • $460
    Sep
  • $450
    Oct
  • $408
    Nov
  • $349
    Dec
  • $538
    Jan
  • $504
    Feb
  • $456
    Mar
  • $486
    Apr
  • $513
    May
  • $469
    Jun

What is the cheapest month for round-trip flights from Hong Kong to Sydney?

Average price of round-trip flights from Hong Kong to Sydney purchased by Trip.com users by month over the past 12 months

According to historical data from Trip.com, the lowest prices for flights from Hong Kong to Sydney are found during August, with an average price of $502. Conversely, the highest prices are found during January, with an average price of up to $894.

$894
$698
$502
$306
    Cheapest
  • $671
    Jul
  • $502
    Aug
  • $563
    Sep
  • $558
    Oct
  • $622
    Nov
  • $696
    Dec
  • $894
    Jan
  • $687
    Feb
  • $527
    Mar
  • $646
    Apr
  • $585
    May
  • $635
    Jun

Frequently Asked Questions

  • What are the cheapest flights from Hong Kong to Sydney (HKG-SYD)?

    Based on Trip.com data, HK Express offers one-way fares as low as $236 on Cheapest nonstop routes (e.g. HKG to SYD on Wed, Sep 2), while Scoot offers Cheapest nonstop round-trips from $478 departing on Thu, Sep 10 and returning on Wed, Sep 16.
  • At the moment, you can catch a nonstop flight from Hong Kong to Sydney with the following airlines, including: Cathay Pacific Qantas Airways Hong Kong Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 9 hours 6 minutes to fly from Hong Kong (HKG) to Sydney (SYD).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Hong Kong to Sydney is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 40 flight per week flying from Hong Kong to Sydney. You can check the weekly schedule for popular airlines on this route below: Cathay Pacific: S/M/T/W/T/F/S -- CX111 (20:10)
  • To find best deals on flights from Hong Kong to Sydney, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Sep 2, with one-way flights priced at just $236.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Hong Kong Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Sydney travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Hong Kong to Sydney is September, when demand for travel is lower.
  • After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Hong Kong to Sydney on July 29, 2026 with HK Express, with prices starting at $616.
  • You can land at any one of the following hubs in Sydney, with Hong Kong International Airport to Sydney Airport (HKG-SYD) is by far the most common option on this route: Sydney Airport (SYD) Western Sydney International Airport (WSI).
  • The time difference between Sydney and Hong Kong is 2h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Flight from Hong Kong (HKG) to Sydney (SYD)

Sydney attracts all the visitors with its unique charm. With a vibrant cultural scene and a cosmopolitan population, Sydney will enthrall you with brilliant beaches and mountains. From mesmerizing skyline to sparkling waterways and densely forested regions, this city has something to offer to tourists of all ages. The architectural marvels of this dazzling city are a delight to the eyes. Discover its rich history by taking a walk through the narrow lanes and the buildings. And do not forget to visit the city’s excellent museums that provide a great learning experience. One of the world's most dazzling cities, Sydney, is packed with exciting things to see and do. If you are looking to spend a vacation in Sydney, take a look below to know about some of the most fascinating places to visit. 

Tip:

 Its world-famous Sydney Opera House offers an unforgettable experience to all.

Travel from Hong Kong to Sydney

Located in the Mascot suburb, just 8 km (5 mi) south of the Sydney city center, Sydney has one international airport Kingsford Smith Airport (SYD). The airport has excellent connectivity with all parts of the city. There are numerous direct flights to Sydney from Hong Kong International Airport (HKG) that operates between these airports. If you are looking for cheap flights from Hong Kong to Sydney, opt for a flight with one or more stops in between. The flights from Hong Kong to Sydney have average airtime of about 9 to 18 hours, depending on the airlines and layovers. The primary airline carriers that ply Hong Kong to Sydney flights are Cathay Pacific, EVA Air, China Airlines, Emirates, and China Eastern Airlines. 

Tip:

 It is advisable to book your tickets and hotel in advance to avail of the best deals on your bookings.

Attractions in Sydney

This city is a blend of easy-going and stimulating vibe. The city is full of excitement, and if you drive a little out of the city, you will be surrounded by the famous beaches like Manly and Bondi. No tour in Sydney is complete without the iconic Sydney Opera House. This world-heritage listed marvel is stunning to look at and is beautifully illuminated during the night. Camp on Cockatoo Island or take in the natural beauty of the Blue Mountains to make your visit worthwhile. You can also enjoy the walk near Sydney Harbour Bridge that offers a breathtakingly beautiful view. Located within the city, the Taronga Zoo that has more than 4000 local and exotic animals and birds is a must-visit the place.

Another must-visit place in Sydney is Bondi Beach. It is one of Australia’s most famous beaches and is something to behold as the turquoise water makes its way around sand pockets. Although it’s not very large, you will find whatever you like in supermarkets. Some of the other places that you can visit are Darling Harbour, Circular Quay, Royal Botanic Gardens, Luna Park, the relaxed beachside suburb Manly, Sydney Tower Eye, Hayden Orpheum Picture Palace, and the Garigal National Park.

Shop, Dine and Stay in Sydney

Shopping is the top activity that makes Sydney the most loved city. The city is well known for its famous Saturday markets that offer you style and diversity. The 150 years old Paddy’s market is the biggest market in Sydney, that has over a thousand stalls between Flemington and Haymarket locations. Westfield Warringah is another excellent place to go shopping, which is considered as a shopper’s paradise with all your favorite brands available. For food lovers, Sydney has the most elegant restaurants as well as cheap street food stalls offering lip-smacking delicacies. You will love every bit of it. In Sydney, you will get a variety of stay options that suit your budget and your taste. Try the King Cross, Paddington, Darling Harbour, Coogee, and other places for budget hotels, hostels, and guesthouses.

Tip

: The city hosts regular food festivals that the visitors will relish. 

To have a wonderful trip to Sydney, you can rely on Trip.com to get all your Hong Kong – Sydney bookings done. From accommodation, flight tickets, or local tours, they organize it all for you. For any travel-related assistance, their customer care service is available 24/7.

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.